| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 213 | 3.901,33 | 18,32 | 2 |
| 2007 | 39 | 723,90 | 18,56 | 1 |
| 2008 | 47 | 862,82 | 18,36 | 1 |
| 2009 | 154 | 2.667,08 | 17,32 | 2 |
| 2010 | 110 | 1.801,33 | 16,38 | 2 |
| 2011 | 46 | 805,53 | 17,51 | 1 |
| 2012 | 127 | 2.393,79 | 18,85 | 2 |
| 2013 | 127 | 2.424,48 | 19,09 | 2 |
| 2014 | 126 | 2.638,50 | 20,94 | 2 |
| 2015 | 117 | 2.378,28 | 20,33 | 2 |
| 2016 | 129 | 2.971,14 | 23,03 | 2 |
| 2017 | 116 | 2.999,00 | 25,85 | 2 |
| 2018 | 98 | 2.522,17 | 25,74 | 2 |
| 2019 | 99 | 2.752,03 | 27,80 | 2 |
| 2020 | 130 | 3.951,28 | 30,39 | 2 |
| 2021 | 132 | 3.932,61 | 29,79 | 2 |
| 2022 | 127 | 3.968,25 | 31,25 | 2 |
| 2023 | 115 | 3.757,93 | 32,68 | 3 |
| 2024 | 347 | 11.244,94 | 32,41 | 4 |
| totale | 2.399 | 58.696,39 | 24,47 | 38 |